| LC control no. | sh2009009118 |
|---|---|
| Topical heading | H1N1 influenza |
| Variant(s) | H1N1 flu Novel H1N1 flu Novel H1N1 influenza Novel influenza A Swine flu (H1N1) Swine influenza (H1N1) |
| See also | Influenza A virus Swine influenza |
| Found in | Work cat.: 2009 H1N1 Flu (Swine Flu) [CDC website, Nov. 2, 2009] (2009 H1N1, novel influenza A, aka swine flu; new influenza virus causing illness in people; first detected in people in U.S. April 2009; spreading from person-to-person worldwide, probably in much the same way that regular seasonal influenza viruses spread; World Health Organization (WHO) signaled a pandemic of 2009 H1N1 flu was underway on June 11, 2009; originally referred to as swine flu because laboratory testing showed many genes in this new virus were very similar to influenza viruses that normally occur in pigs (swine) in North America; further study has shown that this new virus is very different from what normally circulates in North American pigs--has two genes from flu viruses that normally circulate in pigs in Europe and Asia and bird (avian) genes and human genes; scientists call this a "quadruple reassortant" virus; new flu virus of swine origin that first caused illness in Mexico and the United States in March & April, 2009) Infection control guidelines for healthcare workers for novel influenza A, H1N1, 2009 (novel influenza A (H1N1) virus; appears behave similarly to seasonal influenza in terms of severity of illness & transmission of infection) Novel H1N1 Continues to Wallop Younger U.S. Population [Science insider, Oct. 20, 2009] (novel H1N1 virus; people under 65 suffer the bulk of hospitalizations & deaths from the virus, exactly the opposite pattern seen w/seasonal influenza which primarily causes severe disease in the elderly) |
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